Records for Lewiston Area, Idaho (LWSthr) on 09-30
Record Highs
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1: 89°F (1976)
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2: 89°F (1920)
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3: 88°F (1935)
Record Lows
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1: 30°F (1954)
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2: 34°F (1985)
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3: 35°F (1971)
Lowest Highs
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1: 58°F (2005)
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2: 58°F (1989)
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3: 57°F (2000)
Highest Lows
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1: 52°F (2019)
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2: 54°F (1882)
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3: 58°F (1950)
Highest September temperature:
108°F on 09-06-1944.
Lowest September temperature:
27°F on 09-24-1926.
Average temperature is 60°F
Average high is 72.5°F
Average low is 47.5°F
Temperature data from 1881 to 2022.
Record Precipitation
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1: 0.82" (2000)
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2: 0.61" (1940)
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3: 0.19" (1938)
Precipitation data from 1881 to 2022.